Rickettsia conorii str. Malish 7

Summary

Alias: Rickettsia conorii 'Malish 7', Rickettsia conorii strain Malish 7

Top Publications

  1. Beninati T, Lo N, Noda H, Esposito F, Rizzoli A, Favia G, et al. First detection of spotted fever group rickettsiae in Ixodes ricinus from Italy. Emerg Infect Dis. 2002;8:983-6 pubmed
    ..Using molecular methods, we detected three different spotted fever group rickettsiae, including Rickettsia helvetica. Our results raise the possibility that bacteria other than R. conorii are involved in rickettsial diseases in Italy. ..
  2. Gilmore R, Joste N, McDonald G. Cloning, expression and sequence analysis of the gene encoding the 120 kD surface-exposed protein of Rickettsia rickettsii. Mol Microbiol. 1989;3:1579-86 pubmed
    ..The identity of this putative gene product is unknown. The two open reading frames are separated by a 106 base pair intergenic region that consists of a stretch of dyad symmetry resembling rho-independent transcriptional terminators. ..
  3. Sekeyova Z, Fournier P, Rehacek J, Raoult D. Characterization of a new spotted fever group rickettsia detected in Ixodes ricinus (Acari: Ixodidae) collected in Slovakia. J Med Entomol. 2000;37:707-13 pubmed
  4. Zhang J, Fan M, Wu Y, Fournier P, Roux V, Raoult D. Genetic classification of "Rickettsia heilongjiangii" and "Rickettsia hulinii," two Chinese spotted fever group rickettsiae. J Clin Microbiol. 2000;38:3498-501 pubmed
  5. Roux V, Raoult D. Phylogenetic analysis of members of the genus Rickettsia using the gene encoding the outer-membrane protein rOmpB (ompB). Int J Syst Evol Microbiol. 2000;50 Pt 4:1449-55 pubmed
    ..Integration of phenotypic, genotypic and phylogenetic data will contribute to the definition of a polyphasic taxonomy as has been done for other bacterial genera. ..
  6. Roux V, Rydkina E, Eremeeva M, Raoult D. Citrate synthase gene comparison, a new tool for phylogenetic analysis, and its application for the rickettsiae. Int J Syst Bacteriol. 1997;47:252-61 pubmed
  7. Roux V, Fournier P, Raoult D. Differentiation of spotted fever group rickettsiae by sequencing and analysis of restriction fragment length polymorphism of PCR-amplified DNA of the gene encoding the protein rOmpA. J Clin Microbiol. 1996;34:2058-65 pubmed
    ..R. africae and strain S were differentiated by AvaII digestion. Thus, using a single PCR amplification, we were able to differentiate all of the SFG rickettsiae whose ompA gene was amplified by PCR. ..
  8. Crocquet Valdes P, Weiss K, Walker D. Sequence analysis of the 190-kDa antigen-encoding gene of Rickettsia conorii (Malish 7 strain). Gene. 1994;140:115-9 pubmed
    ..The conservation of rompA across several pathogenic spotted fever group (SFG) rickettsial species suggests that it may be a potential candidate for use as a subunit vaccine for SFG rickettsial diseases. ..
  9. Amiri H, Davids W, Andersson S. Birth and death of orphan genes in Rickettsia. Mol Biol Evol. 2003;20:1575-87 pubmed
    ..Such reconstructions support the identification of lost protein functions and hint at important lifestyle changes. ..

More Information

Publications67

  1. Billings A, Teltow G, Weaver S, Walker D. Molecular characterization of a novel Rickettsia species from Ixodes scapularis in Texas. Emerg Infect Dis. 1998;4:305-9 pubmed
    ..australis for the 17 kDa gene, R. helvetica for gltA, and R. montana for rompA. The new organism, provisionally designated as genotype Cooleyi, is highly divergent in three conserved genes from recognized Rickettsia species. ..
  2. Gilmore R, Cieplak W, Policastro P, Hackstadt T. The 120 kilodalton outer membrane protein (rOmp B) of Rickettsia rickettsii is encoded by an unusually long open reading frame: evidence for protein processing from a large precursor. Mol Microbiol. 1991;5:2361-70 pubmed
    ..This suggests a role for post-translational processing of rOmp B from a large precursor molecule...
  3. Fournier P, Dumler J, Greub G, Zhang J, Wu Y, Raoult D. Gene sequence-based criteria for identification of new rickettsia isolates and description of Rickettsia heilongjiangensis sp. nov. J Clin Microbiol. 2003;41:5456-65 pubmed
    ..3% for the ompA and ompB genes and gene D, respectively. By use of our classification scheme, "Rickettsia heilongjiangii" belongs to a new species for which we officially propose the name Rickettsia heilongjiangensis sp. nov...
  4. Fournier P, Xeridat B, Raoult D. Isolation of a rickettsia related to Astrakhan fever rickettsia from a patient in Chad. Ann N Y Acad Sci. 2003;990:152-7 pubmed
    ..Although Astrakhan fever rickettsia is transmitted by Rhipicephalus ticks in Europe, further studies are indicated to identify its vector in Africa where these ticks are also prevalent...
  5. Hackstadt T, Messer R, Cieplak W, Peacock M. Evidence for proteolytic cleavage of the 120-kilodalton outer membrane protein of rickettsiae: identification of an avirulent mutant deficient in processing. Infect Immun. 1992;60:159-65 pubmed
    ..rickettsii or R. prowazekii. These latter results suggest that the 32-kDa C-terminal region of the molecule may serve as a membrane anchor domain...
  6. Sekeyova Z, Roux V, Raoult D. Phylogeny of Rickettsia spp. inferred by comparing sequences of 'gene D', which encodes an intracytoplasmic protein. Int J Syst Evol Microbiol. 2001;51:1353-60 pubmed publisher
    ..As significant bootstrap values were obtained for most of the nodes, sequence comparison of 'gene D' should be considered as a complementary approach in phylogenetic studies of rickettsiae...
  7. Anderson B, Baumstark B, Bellini W. Expression of the gene encoding the 17-kilodalton antigen from Rickettsia rickettsii: transcription and posttranslational modification. J Bacteriol. 1988;170:4493-500 pubmed
  8. Labruna M, Camargo L, Camargo E, Walker D. Detection of a spotted fever group Rickettsia in the tick Haemaphysalis juxtakochi in Rondonia, Brazil. Vet Parasitol. 2005;127:169-74 pubmed
    ..juxtakochi from the Western Amazon area of Brazil. Genetic analyses showed R300 to be closely related to R. rhipicephali. ..
  9. Anderson B, Baumstark B, Bellini W. Nucleotide sequence of the P34 gene from Rickettsia rickettsii. Nucleic Acids Res. 1990;18:7168 pubmed
  10. Shaw E, Wood D. Characterization of a Rickettsia rickettsii DNA fragment analogous to the fir A-ORF17-lpxA region of Escherichia coli. Gene. 1994;140:109-13 pubmed
    ..coli and Salmonella typhimurium FirA/Ssc and E. coli LpxA, as well as other acyltransferases, providing additional support for the importance of this structure. ..
  11. Madasu Y, Suarez C, Kast D, Kovar D, Dominguez R. Rickettsia Sca2 has evolved formin-like activity through a different molecular mechanism. Proc Natl Acad Sci U S A. 2013;110:E2677-86 pubmed publisher
    ..Sca2's ?-helical fold is unusual among Gram-negative autotransporters, which overwhelmingly fold as ?-solenoids. Rickettsia has therefore "rediscovered" formin-like actin nucleation and elongation. ..
  12. Anderson B, Regnery R, Carlone G, Tzianabos T, McDade J, Fu Z, et al. Sequence analysis of the 17-kilodalton-antigen gene from Rickettsia rickettsii. J Bacteriol. 1987;169:2385-90 pubmed
    ..The deduced amino acid sequence contained a hydrophobic sequence near the amino terminus that resembled signal peptides described for E. coli. The carboxy terminus was hydrophilic in nature and probably contained the exposed epitopes. ..
  13. Uchiyama T. Sequence analysis of the gene encoding a spotted fever group-specific intracytoplasmic protein PS120 of Rickettsia japonica. Microbiol Immunol. 1999;43:983-7 pubmed
    ..It was also found that the genome of R. prowazekii contained a nt sequence with 68% homology to that of the rps120 gene of R. japonica. ..
  14. Baird R, Lloyd M, Stenos J, Ross B, Stewart R, Dwyer B. Characterization and comparison of Australian human spotted fever group rickettsiae. J Clin Microbiol. 1992;30:2896-902 pubmed
    ..Thus, the rickettsiae isolated from patients with FISF differ from those from patients with QTT and may represent a new rickettsial species. ..
  15. Lee K, Padmalayam I, Baumstark B, Baker S, Massung R. Characterization of the ftsZ gene from Ehrlichia chaffeensis, Anaplasma phagocytophilum, and Rickettsia rickettsii, and use as a differential PCR target. DNA Cell Biol. 2003;22:179-86 pubmed
    ..phagocytophilum, 278 bp; E. chaffeensis, 341 bp; and Rickettsia spp., 425 bp. ..
  16. Radulovic S, Troyer J, Beier M, Lau A, Azad A. Identification and molecular analysis of the gene encoding Rickettsia typhi hemolysin. Infect Immun. 1999;67:6104-8 pubmed
    ..mirabilis. The availability of the cloned R. typhi tlyC will permit further characterization and definition of its role in rickettsial virulence...
  17. Renesto P, Dehoux P, Gouin E, Touqui L, Cossart P, Raoult D. Identification and characterization of a phospholipase D-superfamily gene in rickettsiae. J Infect Dis. 2003;188:1276-83 pubmed publisher
    ..This enzyme might account for the activity previously attributed to PLA(2) and might be critical for the intracellular life of these bacteria...
  18. Gilmore R, Joste N, McDonald G. Cloning, expression and sequence analysis of the gene encoding the 120 kDa surface-exposed protein of Rickettsia rickettsii. Mol Microbiol. 1991;5:3089 pubmed
  19. Schuenke K, Walker D. Cloning, sequencing, and expression of the gene coding for an antigenic 120-kilodalton protein of Rickettsia conorii. Infect Immun. 1994;62:904-9 pubmed
    ..A 75-kDa portion of the 120-kDa antigen was overexpressed in and purified from Escherichia coli. This polypeptide was recognized by antirickettsial antibodies and may be a useful diagnostic reagent for spotted fever group rickettsioses...
  20. Ngwamidiba M, Blanc G, Ogata H, Raoult D, Fournier P. Phylogenetic study of Rickettsia species using sequences of the autotransporter protein-encoding gene sca2. Ann N Y Acad Sci. 2005;1063:94-9 pubmed publisher
    ..rickettsii, R. massiliae, R. akari, and typhus groups, which were supported by significant bootstrap values...
  21. Shpynov S, Fournier P, Rudakov N, Samoilenko I, Reshetnikova T, Yastrebov V, et al. Molecular identification of a collection of spotted Fever group rickettsiae obtained from patients and ticks from Russia. Am J Trop Med Hyg. 2006;74:440-3 pubmed
    ..Clinicians should be aware that several spotted fever rickettsioses with different prognoses coexist in Russia in areas where NATT was the only previously recognized rickettsiosis...
  22. Renesto P, Samson L, Ogata H, Azza S, Fourquet P, Gorvel J, et al. Identification of two putative rickettsial adhesins by proteomic analysis. Res Microbiol. 2006;157:605-12 pubmed publisher
    ..Both proteins are highly conserved within the Rickettsia genus and might play a critical role in their pathogenicity. These data may have important implications for the development of future vaccines against rickettsial infections...
  23. Simser J, Palmer A, Munderloh U, Kurtti T. Isolation of a spotted fever group Rickettsia, Rickettsia peacockii, in a Rocky Mountain wood tick, Dermacentor andersoni, cell line. Appl Environ Microbiol. 2001;67:546-52 pubmed publisher
    ..Establishing cell lines from embryonic tissues of ticks offers an alternative technique for isolation of rickettsiae that are transovarially transmitted...
  24. von Der Schulenburg J, Habig M, Sloggett J, Webberley K, Bertrand D, Hurst G, et al. Incidence of male-killing Rickettsia spp. (alpha-proteobacteria) in the ten-spot ladybird beetle Adalia decempunctata L. (Coleoptera: Coccinellidae). Appl Environ Microbiol. 2001;67:270-7 pubmed publisher
    ..We discuss the importance of these findings to our understanding of the evolution and dynamics of symbiotic associations between male-killing bacteria and their insect hosts...
  25. Stenos J, Roux V, Walker D, Raoult D. Rickettsia honei sp. nov., the aetiological agent of Flinders Island spotted fever in Australia. Int J Syst Bacteriol. 1998;48 Pt 4:1399-404 pubmed publisher
    ..Indeed, it is proposed that TT-118 is a strain of R. honei which was previously isolated in Thailand. These results elucidate the presence of a unique SFG rickettsial species in Australasia...
  26. Ngwamidiba M, Blanc G, Raoult D, Fournier P. Sca1, a previously undescribed paralog from autotransporter protein-encoding genes in Rickettsia species. BMC Microbiol. 2006;6:12 pubmed publisher
    ..It may also be used as a phylogenetic tool. However, its current functional status remains to be determined although it was found expressed in R. conorii...
  27. Beninati T, Genchi C, Torina A, Caracappa S, Bandi C, Lo N. Rickettsiae in ixodid ticks, Sicily. Emerg Infect Dis. 2005;11:509-11 pubmed publisher
  28. Zhu Y, Fournier P, Eremeeva M, Raoult D. Proposal to create subspecies of Rickettsia conorii based on multi-locus sequence typing and an emended description of Rickettsia conorii. BMC Microbiol. 2005;5:11 pubmed publisher
    ..conorii subspecies caspia subsp. nov. (type strain = A-167), and R. conorii subspecies israelensis subsp. nov. (type strain = ISTT CDC1). The description of R. conorii is emended to accomodate the four subspecies...
  29. Labruna M, Whitworth T, Bouyer D, McBride J, Camargo L, Camargo E, et al. Rickettsia bellii and Rickettsia amblyommii in Amblyomma ticks from the State of Rondônia, Western Amazon, Brazil. J Med Entomol. 2004;41:1073-81 pubmed
    ..amblyommii infection of Vero cells was analyzed by transmission electron microscopy. This study adds South America to the known geographic distribution of R. amblyommii and reports rickettsiae in six Amblyomma species for the first time...
  30. Mediannikov O, Sidelnikov Y, Ivanov L, Mokretsova E, Fournier P, Tarasevich I, et al. Acute tick-borne rickettsiosis caused by Rickettsia heilongjiangensis in Russian Far East. Emerg Infect Dis. 2004;10:810-7 pubmed publisher
    ..heilongjiangensis. Clinical and epidemiologic data on these patients show that this disease is similar to other tick-borne rickettsioses...
  31. Loftis A, Reeves W, Szumlas D, Abbassy M, Helmy I, Moriarity J, et al. Surveillance of Egyptian fleas for agents of public health significance: Anaplasma, Bartonella, Coxiella, Ehrlichia, Rickettsia, and Yersinia pestis. Am J Trop Med Hyg. 2006;75:41-8 pubmed
    ..cheopis. Novel Bartonella genotypes were detected in X. cheopis and L. segnis from three cities. Coxiella burnetii was detected in two fleas. Anaplasma, Ehrlichia, and Y. pestis were not detected...
  32. Cardwell M, Martinez J. Identification and characterization of the mammalian association and actin-nucleating domains in the Rickettsia conorii autotransporter protein, Sca2. Cell Microbiol. 2012;14:1485-95 pubmed publisher
    ..Together, our results demonstrate that the Sca2 autotransporter protein in R.?conorii contains distinct functional domains that likely are involved in mediating cellular interactions at the plasma membrane and the host cytosol...
  33. Shpynov S, Fournier P, Rudakov N, Tankibaev M, Tarasevich I, Raoult D. Detection of a rickettsia closely related to Rickettsia aeschlimannii, "Rickettsia heilongjiangensis," Rickettsia sp. strain RpA4, and Ehrlichia muris in ticks collected in Russia and Kazakhstan. J Clin Microbiol. 2004;42:2221-3 pubmed
    ..In Kazakhstan, we detected Rickettsia sp. strain RpA4 and a rickettsia closely related to Rickettsia aeschlimannii. These agents should be considered in a differential diagnosis of tick-borne infections in these areas...
  34. Gouin E, Egile C, Dehoux P, Villiers V, Adams J, Gertler F, et al. The RickA protein of Rickettsia conorii activates the Arp2/3 complex. Nature. 2004;427:457-61 pubmed publisher
    ..Thus RickA-induced actin polymerization, by generating long actin filaments reminiscent of those present in filopodia, has potential as a tool for studying filopodia formation...
  35. Werren J, Hurst G, Zhang W, Breeuwer J, Stouthamer R, Majerus M. Rickettsial relative associated with male killing in the ladybird beetle (Adalia bipunctata). J Bacteriol. 1994;176:388-94 pubmed
    ..Discovery of a close relative of rickettsias associated with sex ratio distortion in insects has implications for the evolution and population dynamics of this bacterial genus...
  36. Labruna M, Whitworth T, Horta M, Bouyer D, McBride J, Pinter A, et al. Rickettsia species infecting Amblyomma cooperi ticks from an area in the state of São Paulo, Brazil, where Brazilian spotted fever is endemic. J Clin Microbiol. 2004;42:90-8 pubmed
    ..These results do not support the role of A. cooperi in the ecology of R. rickettsii in the area studied, but they add two more species of rickettsiae to the poorly developed list of species occurring in ticks in South America...
  37. Drancourt M, Raoult D. Characterization of mutations in the rpoB gene in naturally rifampin-resistant Rickettsia species. Antimicrob Agents Chemother. 1999;43:2400-3 pubmed
    ..rpoB-based phylogenetic relationships among these rickettsial species yielded topologies which were in accordance with previously published phylogenies...
  38. Parola P, Cornet J, Sanogo Y, Miller R, Thien H, Gonzalez J, et al. Detection of Ehrlichia spp., Anaplasma spp., Rickettsia spp., and other eubacteria in ticks from the Thai-Myanmar border and Vietnam. J Clin Microbiol. 2003;41:1600-8 pubmed
    ..Finally, two bacteria named Eubacterium sp. strain Hw124 and Eubacterium sp. strain Hw191 were identified in Haemaphysalis wellingtoni ticks collected from chicken in Thailand; these strains could belong to a new group of bacteria...
  39. La Scola B, Meconi S, Fenollar F, Rolain J, Roux V, Raoult D. Emended description of Rickettsia felis (Bouyer et al. 2001), a temperature-dependent cultured bacterium. Int J Syst Evol Microbiol. 2002;52:2035-41 pubmed publisher
    ..felis and those observed for the isolate in this study indicated some differences, although concurrent analysis of the two was not possible as no extant isolates of the first isolate of R. felis exist...
  40. Radulovic S, Rahman M, Beier M, Azad A. Molecular and functional analysis of the Rickettsia typhi groESL operon. Gene. 2002;298:41-8 pubmed
    ..Complementation assay by R. typhi groESL in a temperature sensitive Escherichia coli groEL mutant restored significant growth ability at non-permissive temperature...
  41. Ishikura M, Fujita H, Ando S, Matsuura K, Watanabe M. Phylogenetic analysis of spotted fever group Rickettsiae isolated from ticks in Japan. Microbiol Immunol. 2002;46:241-7 pubmed
    ..japonica, and 5 Ixodes isolates were associated with the R. helvetica. Based on previous genotypic and antigenic data, and the phylogenetic analysis presented here, strain AT-1 should be considered as a new species among SFG rickettsiae...
  42. Fournier P, Fujita H, Takada N, Raoult D. Genetic identification of rickettsiae isolated from ticks in Japan. J Clin Microbiol. 2002;40:2176-81 pubmed
    ..Finally, we identified a new genotype of unknown pathogenicity, genotype AT, that was isolated from Amblyomma testudinarium ticks and that is closely related to a Slovakian genotype obtained from Ixodes ricinus ticks...
  43. Billings A, Yu X, Teel P, Walker D. Detection of a spotted fever group rickettsia in Amblyomma cajennense (Acari: Ixodidae) in south Texas. J Med Entomol. 1998;35:474-8 pubmed
    ..cajennense ticks in Texas and the United States. If this rickettsia is pathogenic, exposure to infected A. cajennense ticks may pose a previously unrecognized health risk to people who have been fed upon by these ticks...
  44. Bouyer D, Stenos J, Crocquet Valdes P, Moron C, Popov V, Zavala Velazquez J, et al. Rickettsia felis: molecular characterization of a new member of the spotted fever group. Int J Syst Evol Microbiol. 2001;51:339-47 pubmed publisher
    ..felis as a member of the SFG. The organism is passed trans-stadially and transovarially, and infection in the cat flea has been observed in the midgut, tracheal matrix, muscle, hypodermis, ovaries and testes...
  45. Stenos J, Walker D. The rickettsial outer-membrane protein A and B genes of Rickettsia australis, the most divergent rickettsia of the spotted fever group. Int J Syst Evol Microbiol. 2000;50 Pt 5:1775-9 pubmed publisher
    ..R. australis rOmpB is more similar to rOmpB of other SFG rickettsiae than to that of typhus group rickettsiae...
  46. Riley S, Patterson J, Nava S, Martinez J. Pathogenic Rickettsia species acquire vitronectin from human serum to promote resistance to complement-mediated killing. Cell Microbiol. 2014;16:849-61 pubmed publisher
  47. Ishikura M, Ando S, Shinagawa Y, Matsuura K, Hasegawa S, Nakayama T, et al. Phylogenetic analysis of spotted fever group rickettsiae based on gltA, 17-kDa, and rOmpA genes amplified by nested PCR from ticks in Japan. Microbiol Immunol. 2003;47:823-32 pubmed
    ..ovatus and I. persulcatus were identical with R. helvetica. Genotype IX detected from I. nipponensis was genetically close to the strains IRS3, IRS4, and IrR/Munich isolated from I. ricinus in Slovakia and German...
  48. Anderson B, Tzianabos T. Comparative sequence analysis of a genus-common rickettsial antigen gene. J Bacteriol. 1989;171:5199-201 pubmed
  49. Riley S, Goh K, Hermanas T, Cardwell M, Chan Y, Martinez J. The Rickettsia conorii autotransporter protein Sca1 promotes adherence to nonphagocytic mammalian cells. Infect Immun. 2010;78:1895-904 pubmed publisher
    ..conorii cell association. Together, these results demonstrate that attachment to mammalian cells can be uncoupled from the entry process and that Sca1 is involved in the adherence of R. conorii to host cells...
  50. Chan Y, Cardwell M, Hermanas T, Uchiyama T, Martinez J. Rickettsial outer-membrane protein B (rOmpB) mediates bacterial invasion through Ku70 in an actin, c-Cbl, clathrin and caveolin 2-dependent manner. Cell Microbiol. 2009;11:629-44 pubmed publisher
    ..Together, these results illustrate that rOmpB is sufficient to mediate Ku70-dependent invasion of mammalian cells and that clathrin- and caveolin-dependent endocytic events likely contribute to the internalization process...
  51. Eremeeva M, Bosserman E, Demma L, Zambrano M, Blau D, Dasch G. Isolation and identification of Rickettsia massiliae from Rhipicephalus sanguineus ticks collected in Arizona. Appl Environ Microbiol. 2006;72:5569-77 pubmed publisher
    ..Whether R. massiliae AZT80 is pathogenic or infectious for dogs and humans or can cause seroconversion to spotted fever group antigens in the United States is unknown...
  52. Fournier P, Takada N, Fujita H, Raoult D. Rickettsia tamurae sp. nov., isolated from Amblyomma testudinarium ticks. Int J Syst Evol Microbiol. 2006;56:1673-5 pubmed publisher
    ..Such genotypic and phenotypic characteristics warrant its classification as a representative of a novel species, for which the name Rickettsia tamurae sp. nov. is proposed, with the type strain AT-1(T) (=CSUR R1(T))...
  53. Gottlieb Y, Ghanim M, Chiel E, Gerling D, Portnoy V, Steinberg S, et al. Identification and localization of a Rickettsia sp. in Bemisia tabaci (Homoptera: Aleyrodidae). Appl Environ Microbiol. 2006;72:3646-52 pubmed publisher
  54. Reeves W, Nelder M, Korecki J. Bartonella and Rickettsia in fleas and lice from mammals in South Carolina, U.S.A. J Vector Ecol. 2005;30:310-5 pubmed
    ..Cat fleas harbored one of two novel genotypes of Rickettsia. A third novel Rickettsia was detected in Orchopeas howardi from an eastern gray squirrel...
  55. Baldridge G, Burkhardt N, Simser J, Kurtti T, Munderloh U. Sequence and expression analysis of the ompA gene of Rickettsia peacockii, an endosymbiont of the Rocky Mountain wood tick, Dermacentor andersoni. Appl Environ Microbiol. 2004;70:6628-36 pubmed publisher
    ..peacockii. Double immunolabeling studies revealed actin tail structures in tick cells infected with R. rickettsii strain Hlp#2 but not in cells infected with R. peacockii...
  56. Hirunkanokpun S, Kittayapong P, Cornet J, Gonzalez J. Molecular evidence for novel tick-associated spotted fever group rickettsiae from Thailand. J Med Entomol. 2003;40:230-7 pubmed
    ..Results indicated that the three Thai rickettsiae detected in this study represent new rickettsial genotypes and form a separate cluster among the spotted fever group rickettsiae...
  57. Davis M, Ying Z, Brunner B, Pantoja A, Ferwerda F. Rickettsial relative associated with papaya bunchy top disease. Curr Microbiol. 1998;36:80-4 pubmed
    ..Although Rickettsia have been found naturally in arthropods and can be pathogenic to humans and other vertebrates, this is the first evidence of its kind implicating a Rickettsia as a plant pathogen...
  58. Furuya Y, Katayama T, Yoshida Y, Kaiho I. Specific amplification of Rickettsia japonica DNA from clinical specimens by PCR. J Clin Microbiol. 1995;33:487-9 pubmed
    ..japonica and also the DNA from blood clots of patients with spotted fever group rickettsiosis. The results indicated that this method is suitable for the diagnosis of spotted fever group rickettsiosis in Japan...